Fast and accurate AF, plus VC for stable handheld shots
Macro photography with 1:2 image size in 50mm mode
The generous and effective use of special lens elements, including XLD (eXtra Low Dispersion), LD (Low Dispersion) and hybrid aspherical lens elements
Besides its excellent performance, the lens is only 183.4 mm long and weighs 1,155g.
The 50-400mm F4.5-6.3 uses the renowned VXD1 linear motor focusing mechanism.